Registration Dossier
Registration Dossier
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EC number: 930-915-9 | CAS number: 1318-02-1
pH
Administrative data
- Endpoint:
- pH
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- Nov. 2020 - Jan. 2021
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- comparable to guideline study with acceptable restrictions
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 021
- Report date:
- 2021
Materials and methods
Test guideline
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- CIPAC MT 75 (Determination of pH Values)
- Version / remarks:
- CIPAC MT 75.3
- Deviations:
- not applicable
- Principles of method if other than guideline:
- measurement with electrode in deionized water
- GLP compliance:
- no
Test material
- Reference substance name:
- Zeolite, cuboidal, crystalline, synthetic, non-fibrous
- EC Number:
- 930-915-9
- Cas Number:
- 1318-02-1
- Molecular formula:
- M2/nO • Al2O3 • ySiO2 • wH2O (n is the valency of the cation M, predominantly Na, y can range from 0.64 to 8.8, and w is the number of water molecules (general formula) Na: 1.34 - 24.02%, Al: 2.20 - 39.51%, Si: 15.52 - 68.64% (general composition); additionally, depending on the water quality: Ca, Mg and K might be present below 6%
- IUPAC Name:
- Zeolite, cuboidal, crystalline, synthetic, non-fibrous
- Test material form:
- solid: particulate/powder
- Remarks:
- no surface treatment
Constituent 1
- Specific details on test material used for the study:
- Zeocros CG180 (P Zeolite)
Reagents
- Reagent:
- water
Results and discussion
pH value
- Key result
- pH value:
- 11.15 - 11.22
- Temp.:
- 20 °C
- Concentration:
- 0.1 g/L
- Remarks on result:
- other: Zeocros CG180
Applicant's summary and conclusion
- Conclusions:
- The pH value of the tested zeolite Zeocros CG180 ranged between 11.15 and 11.22.
- Executive summary:
The pH value of zeolite Zeocros CG180 was tested. It differed only slightly from those of the other tested zeolites.
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